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Motor de Búsqueda de Datasheet de Componentes Electrónicos |
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Motor de Búsqueda de Datasheet de Componentes Electrónicos |
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UPD17708 Datasheet(PDF) 140 Page - NEC |
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UPD17708 Datasheet(HTML) 140 Page - NEC |
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140 / 356 page  µPD17704, 17705, 17707, 17708, 17709 140 Figure 12-19. Timing Charts When Interrupt Is Accepted (1/3) (1) When one interrupt (e.g., rising of INT0 pin) is used (a) If there is no interrupt mask time by the interrupt flag (IP ×××) <1> If a normal instruction which is not “MOVT” or an instruction that satisfies a skip condition is executed when interrupt is accepted <2> If “MOVT” or an instruction that satisfies a skip condition is executed when interrupt is accepted Instruction EI MOV WR, #0010B POKE INTPM3, WR MOVT DBF, @AR or skip instruction Interrupt cycle INTE 1.78 s Interrupt enable period INT0 pin interrupt accepted INT0 pin interrupt service INT0 pin IRQ0 flag IP0 flag 1 instruction cycle µ Instruction EI MOV WR, #0010B POKE INTPM3, WR Normal instruction Interrupt cycle INTE INT0 pin IRQ0 flag IP0 flag 1 instruction cycle 1.78 s Interrupt enable period INT0 pin interrupt accepted INT0 pin interrupt service µ |
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